package com.lzh.crm.interceptors;

import com.lzh.crm.utils.JwtUtil;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;

import java.util.Map;

@Component
public class LoginInterceptor implements HandlerInterceptor {
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        //令牌验证
        String token = request.getHeader("Authorization");
        //验证token
        try{
            Map<String,Object> claims = JwtUtil.parseToken(token);
            return true;        //放行
        } catch(Exception e){
            //http响应状态码为401
            response.setStatus(401);
            return false;       //不放行
        }
    }
}
